# Drainage (Northern Ireland) Order 1973, Paragraph 1


Clearing of watercourses, whether natural or artificial, including—
(a) the removal of obstructions, including fallen or ingrowing trees, refuse or other material;
(b) the removal of shoals and cesses;
(c) the shaping, trimming and revetting of banks.

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Source: https://www.legislation.gov.uk/nisi/1973/69/schedule/2/paragraph/1 (the official version)
Page: https://openlegislation.uk/drainage-northern-ireland-order-1973/schedule-2/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.